Input string : <input type='text' [(ngModel)]="num" />

<div [ngSwitch]="num">
  <div *ngSwitchCase="'1'">One</div>
  <div *ngSwitchCase="'2'">Two</div>
  <div *ngSwitchCase="'3'">Three</div>
  <div *ngSwitchCase="'4'">Four</div>
  <div *ngSwitchCase="'5'">Five</div>
  <div *ngSwitchDefault>This is Default</div>
</div>
